Does Sergey Kovalev smoke?: Not Known.Does Sergey Kovalev drink Alcohol?: Not Known.When Kovalev was 11 years old, he began playing boxing bout.

Does SergeySergey KovalevKovalev smoke?: Not Known.Does SergeySergey KovalevKovalev drink Alcohol?: Not Known.When KovalevKovalev was 11 years old, he began playing boxing bout.